If you're looking for manga similar to Kaikan Virginity, you might like these titles.
Tomokawa, assigned to an agency sales department, is constantly yelled at by his demon boss... In order to de-stress, he streams live "Solo Sex." He hasn't told anyone about his hobby but when he gets praised for his messy appearance, he just can't stop...! Takada calls out to him one day showing him his own explicit account asking, "is this you?"
"Help...help me cum..." I'm straight but my new job is to seduce a man!? After being groped to the max by my super sadistic boss, I make a move on my target...!
It's all because of the arrogant, condescending prick that is supposed to be my boss, power harassing me again and again…! He was so cute, and now I really want to fuck him… !?
A scandalous office romance about a cool young designer and a moderately annoying businessman! At this cosmetics company, the entire design division shares a common problem, and that problem is Takumi Tokura. A manager with a history in sales and a penchant for sports festivals and living the dream, Mr. Tokura unknowingly pushes impossible tasks on the design team while spewing idealisms at company parties... In reaction, Ryo Takizawa falls deeper and deeper into a quiet rage. That anger comes to a head after the party when Mr. Tokura announces a mandatory trip to a brothel for all the male employees. Ryo stubbornly tries to go home, but his superior tries to act like a life coach and yells that "sex is important!" This situation leads to a surprising twist! "If you're so insistent, please teach me." This superior and his subordinate mix together like oil and water, but neither can go back once they open the door to new pleasures...!
"I can't believe this is your first time. You're a natural, sir." Perfect in every way from looks, personality, and work ethic, salaryman Shirosawa's team leader Kurotake has got him beat. But when they happen to match on an anonymous gay hookup app, Shirosawa's got the chance to find his weak spots. What starts as some light teasing leads to Shirosawa unraveling the tightly-wound Kurotake in bed... and maybe one night of pent-up jealousy and chemistry between one laid-back office worker and his no-nonsense superior can turn into something more?
Can his manager really only climax when someone explodes inside him...!? Shun Sakuragi loves hooking up with random guys and uses a dating app to find eligible bachelors. One day, he matches with a hot-looking sales rep who's hunting for some quick action! He heads to a hotel to meet and is shocked to find his date for the night is actually his boss, Takuya Kurose...! He barely has a chance to figure out what's going on before the usually serious Takuya is using his wiles on him to get him into bed... It's incredible!!! Shun's addicted to the pleasure and before he knows it, he finds himself falling for Takuya... What will happen when a manager who's too hot to handle and his staff who's only looking for a good time find the perfect match for love in each other...!?Takuya begs Shun to climax inside him. The only problem is that Takuya is Shun's boss, and the latter has some reservations about dipping into the office punch bowl. That might change, though, when Shun realizes how great Takuya is in bed!
Shouji's new boss is a merciless beast. He might be great for the bottom line, but he's definitely done a number on Shouji's work-life balance - and his love life! One fateful weekend, Shouji sees his fearsome boss, Mr. Gokudera, in the flesh, coming out of a women's lingerie store. Recently heartbroken, Shouji thinks it's unfair that his boss gets to have a girlfriend - but is all that lingerie really for someone else?
Mizuki, the executive secretary, was worried about her boss, the intensely possessive company president, Nanami Kurosaki. When she found out he was a man, he embraced her and wouldn't let go. One day, Mizuki's mother was suddenly hospitalized! Mizuki took a temporary leave of absence, but it was treated as though she had quit…!? "You're not allowed to be any further than 16 feet away from me, got it?" Mr. Kurosaki's control over her became even stronger, and when she broke the rule, he'd give her a dirty punishment whether it was in the conference room or in front of clients…
Rika, 28 and nearing thirty, meets a handsome but work-obsessed boss at her new temporary job! The overworked boss, Ogata, finally collapses on the job, and Rika, unable to leave him alone, takes action...?
I'm a softspoken pushoever who gets extra work dumped on my desk at my job. I want to be strong and free like the villains I admire though! My boss, who is feared by everyone, finds out about my ambition... and after getting close to me in the office late at night, he begins his secret villain training and teaches me how to fall in love with him! Strict boss and badass office worker who wants to be a bad guy meet world domination office love.